V2EX sfp

SFP

Definition / 释义

SFPSmall Form-factor Pluggable 的缩写,指一种可热插拔的小型光/电收发模块,常用于交换机、路由器等网络设备的端口,用来连接光纤铜缆并实现数据传输。(在不同领域里也可能有其他含义。)

Pronunciation / 发音

/es f pi/

Examples / 例句

The technician replaced the SFP to restore the fiber link.
技术员更换了 SFP 模块来恢复光纤链路。

Before upgrading the network, confirm the switch supports the correct SFP type and speed for long-distance fiber connections.
在升级网络前,先确认交换机支持适用于长距离光纤连接的正确 SFP 类型和速率。

Etymology / 词源

SFP 来自英文短语 Small Form-factor Pluggable

  • Small form-factor 表示“体积小的规格/外形尺寸”
  • Pluggable 表示“可插拔(通常也暗含可热插拔)”
    因此 SFP 直观表达了“体积小、可插拔的收发模块”这一用途与特点。

Related Words / 相关词

Literary Works / 文学与作品举例

  • IEEE Std 802.3(以太网标准文档中常出现与 SFP 相关的接口与链路描述)
  • Cisco Catalyst Switches Configuration Guide(Cisco 交换机配置指南中常提到 SFP 端口与模块)
  • Juniper Networks Day One Series(Juniper 的网络实操小册中常涉及 SFP/SFP+ 的部署与排障)
  • The Data Center Handbook(数据中心相关书籍中常讨论含 SFP 的网络互连与布线方案)
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